One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,7)(4,5)(6,8)(9,10,13,15)(11,16,12,14)(17,18,22,24)(19,21,26,23)(20,25,28,31)(27,29,32,30)(1,3,6,4)(2,7,8,5)(9,11,13,12)(10,14,15,16)(17,19,22,26)(18,23,24,21)(20,27,28,32)(25,30,31,29)(1,4,6,3)(2,7,8,5)(9,10)(11,14)(12,16)(13,15)(18,24)(19,26)(20,28)(29,30)(1,5,6,7)(2,4,8,3)(9,12,13,11)(10,14,15,16)(17,19)(18,21)(20,27)(22,26)(23,24)(25,29)(28,32)(30,31)(17,20,22,28)(18,25,24,31)(19,27,26,32)(21,29,23,30)(17,21)(18,19)(20,29)(22,23)(24,26)(25,27)(28,30)(31,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.